Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a2235ed40210081e51bec4bb1be64e4b3511501e
Commit:     a2235ed40210081e51bec4bb1be64e4b3511501e
Parent:     4f2fdaaf0e4209bff3b18dc14c915b61f5fa5cd2
Author:     Holger Schurig <[EMAIL PROTECTED]>
AuthorDate: Thu Aug 2 13:12:45 2007 -0400
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 16:50:08 2007 -0700

    [PATCH] libertas: remove bss_descriptior->networktsf
    
    This value was parsed out, but then nowhere used ... except in
    some debugfs output. I can't imagine anyone wanting to use this
    value for anything real (as no other driver exports it), so
    bye-bye.
    
    Along this, made the columns of
    /sys/kernel/debug/libertas_wireless/*/getscantable align again.
    
    Signed-off-by: Holger Schurig <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
---
 drivers/net/wireless/libertas/debugfs.c |    7 +--
 drivers/net/wireless/libertas/scan.c    |   69 -------------------------------
 drivers/net/wireless/libertas/scan.h    |    4 +-
 3 files changed, 5 insertions(+), 75 deletions(-)

diff --git a/drivers/net/wireless/libertas/debugfs.c 
b/drivers/net/wireless/libertas/debugfs.c
index 4b9533a..63e747a 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -66,7 +66,7 @@ static ssize_t libertas_getscantable(struct file *file, char 
__user *userbuf,
        struct bss_descriptor * iter_bss;
 
        pos += snprintf(buf+pos, len-pos,
-               "# | ch  | ss  |       bssid       |   cap    |    TSF   | Qual 
| SSID \n");
+               "# | ch  | rssi |       bssid       |   cap    | Qual | SSID 
\n");
 
        mutex_lock(&priv->adapter->lock);
        list_for_each_entry (iter_bss, &priv->adapter->network_list, list) {
@@ -75,15 +75,14 @@ static ssize_t libertas_getscantable(struct file *file, 
char __user *userbuf,
                u16 spectrum_mgmt = (iter_bss->capability & 
WLAN_CAPABILITY_SPECTRUM_MGMT);
 
                pos += snprintf(buf+pos, len-pos,
-                       "%02u| %03d | %03ld | " MAC_FMT " |",
+                       "%02u| %03d | %04ld | " MAC_FMT " |",
                        numscansdone, iter_bss->channel, iter_bss->rssi,
                        MAC_ARG(iter_bss->bssid));
                pos += snprintf(buf+pos, len-pos, " %04x-", 
iter_bss->capability);
                pos += snprintf(buf+pos, len-pos, "%c%c%c |",
                                ibss ? 'A' : 'I', privacy ? 'P' : ' ',
                                spectrum_mgmt ? 'S' : ' ');
-               pos += snprintf(buf+pos, len-pos, " %08llx |", 
iter_bss->networktsf);
-               pos += snprintf(buf+pos, len-pos, " %d |", 
SCAN_RSSI(iter_bss->rssi));
+               pos += snprintf(buf+pos, len-pos, " %04d |", 
SCAN_RSSI(iter_bss->rssi));
                pos += snprintf(buf+pos, len-pos, " %s\n",
                                escape_essid(iter_bss->ssid, 
iter_bss->ssid_len));
 
diff --git a/drivers/net/wireless/libertas/scan.c 
b/drivers/net/wireless/libertas/scan.c
index 4f621a6..aea2e90 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -837,58 +837,6 @@ out:
 }
 
 /**
- *  @brief Inspect the scan response buffer for pointers to expected TLVs
- *
- *  TLVs can be included at the end of the scan response BSS information.
- *    Parse the data in the buffer for pointers to TLVs that can potentially
- *    be passed back in the response
- *
- *  @param ptlv        Pointer to the start of the TLV buffer to parse
- *  @param tlvbufsize  size of the TLV buffer
- *  @param ptsftlv     Output parameter: Pointer to the TSF TLV if found
- *
- *  @return            void
- */
-static
-void wlan_ret_802_11_scan_get_tlv_ptrs(struct mrvlietypes_data * ptlv,
-                                      int tlvbufsize,
-                                      struct mrvlietypes_tsftimestamp ** 
ptsftlv)
-{
-       struct mrvlietypes_data *pcurrenttlv;
-       int tlvbufleft;
-       u16 tlvtype;
-       u16 tlvlen;
-
-       pcurrenttlv = ptlv;
-       tlvbufleft = tlvbufsize;
-       *ptsftlv = NULL;
-
-       lbs_deb_scan("SCAN_RESP: tlvbufsize = %d\n", tlvbufsize);
-       lbs_deb_hex(LBS_DEB_SCAN, "SCAN_RESP: TLV Buf", (u8 *) ptlv, 
tlvbufsize);
-
-       while (tlvbufleft >= sizeof(struct mrvlietypesheader)) {
-               tlvtype = le16_to_cpu(pcurrenttlv->header.type);
-               tlvlen = le16_to_cpu(pcurrenttlv->header.len);
-
-               switch (tlvtype) {
-               case TLV_TYPE_TSFTIMESTAMP:
-                       *ptsftlv = (struct mrvlietypes_tsftimestamp *) 
pcurrenttlv;
-                       break;
-
-               default:
-                       lbs_deb_scan("SCAN_RESP: Unhandled TLV = %d\n",
-                              tlvtype);
-                       /* Give up, this seems corrupted */
-                       return;
-               }               /* switch */
-
-               tlvbufleft -= (sizeof(ptlv->header) + tlvlen);
-               pcurrenttlv =
-                   (struct mrvlietypes_data *) (pcurrenttlv->Data + tlvlen);
-       }                       /* while */
-}
-
-/**
  *  @brief Interpret a BSS scan response returned from the firmware
  *
  *  Parse the various fixed fields and IEs passed back for a a BSS probe
@@ -1684,8 +1632,6 @@ int libertas_ret_80211_scan(wlan_private * priv, struct 
cmd_ds_command *resp)
 {
        wlan_adapter *adapter = priv->adapter;
        struct cmd_ds_802_11_scan_rsp *pscan;
-       struct mrvlietypes_data *ptlv;
-       struct mrvlietypes_tsftimestamp *ptsftlv;
        struct bss_descriptor * iter_bss;
        struct bss_descriptor * safe;
        u8 *pbssinfo;
@@ -1734,11 +1680,6 @@ int libertas_ret_80211_scan(wlan_private * priv, struct 
cmd_ds_command *resp)
                                     + sizeof(pscan->nr_sets)
                                     + S_DS_GEN);
 
-       ptlv = (struct mrvlietypes_data *) (pscan->bssdesc_and_tlvbuffer + 
bytesleft);
-
-       /* Search the TLV buffer space in the scan response for any valid TLVs 
*/
-       wlan_ret_802_11_scan_get_tlv_ptrs(ptlv, tlvbufsize, &ptsftlv);
-
        /*
         *  Process each scan response returned (pscan->nr_sets).  Save
         *    the information in the newbssentry and then insert into the
@@ -1791,16 +1732,6 @@ int libertas_ret_80211_scan(wlan_private * priv, struct 
cmd_ds_command *resp)
                       new.bssid[0], new.bssid[1], new.bssid[2],
                       new.bssid[3], new.bssid[4], new.bssid[5]);
 
-               /*
-                * If the TSF TLV was appended to the scan results, save the
-                *   this entries TSF value in the networktsf field.  The
-                *   networktsf is the firmware's TSF value at the time the
-                *   beacon or probe response was received.
-                */
-               if (ptsftlv) {
-                       new.networktsf = le64_to_cpup(&ptsftlv->tsftable[idx]);
-               }
-
                /* Copy the locally created newbssentry to the scan table */
                memcpy(found, &new, offsetof(struct bss_descriptor, list));
        }
diff --git a/drivers/net/wireless/libertas/scan.h 
b/drivers/net/wireless/libertas/scan.h
index def0db5..28decf3 100644
--- a/drivers/net/wireless/libertas/scan.h
+++ b/drivers/net/wireless/libertas/scan.h
@@ -151,7 +151,9 @@ struct bss_descriptor {
 
        u32 atimwindow;
 
+       /* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
        u8 mode;
+
        /* zero-terminated array of supported data rates */
        u8 rates[MAX_RATES + 1];
 
@@ -161,8 +163,6 @@ struct bss_descriptor {
        union ieeetypes_phyparamset phyparamset;
        union IEEEtypes_ssparamset ssparamset;
 
-       u64 networktsf;         //!< TSF timestamp from the current firmware TSF
-
        struct ieeetypes_countryinfofullset countryinfo;
 
        u8 wpa_ie[MAX_WPA_IE_LEN];
-
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